| 摘要 |
Disclosed is an engine control unit which uses vehicle position data to control the speed at which the engine operates. The controller uses positional data to determine the road maximum speed based on road speed limit, topographical data such as inclines and gradients of the road, road layout etc. to control the engine accordingly. The controller may increase the speed or activate the brakes to slow the vehicle as required. Also disclosed is a database, a method of compiling a database, an engine management system, a route planning system, a method of controlling an engine and a vehicle. Engine speed is optimised for fuel efficiency and to conserve fuel use. |
